ClassID:

155208

F21V29/71 - CPC Classification

Classification description:

Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems; Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements

Sub-classes:
Recent Application in this class:
#1
20260117962
2026-04-30

Serial-Parallel Heat-Spreading Circuit

#2
20240159388
2024-05-16

HEAT SINK

#3
20240044480
2024-02-08

Heat dissipation structure for sealed optical machines

#4
20230417380
2023-12-28

Building egress lighting apparatus and system

#5
20230245880
2023-08-03

LIGHT IRRADIATION DEVICE

#6
20220412546
2022-12-29

HEAT DISSIPATION DEVICE FOR LED LIGHT STRIP OF TELEVISION

#7
20220299200
2022-09-22

Heat sink

#8
20220178533
2022-06-09

Light source device, cooling method, and manufacturing method for product

#9
20220136669
2022-05-05

Vehicle lamp heat dissipation system

#10
20210307255
2021-10-07

FULL SPECTRUM LED GROW LIGHT SYSTEM

#11
20210164642
2021-06-03

Light source device

#12
20210137023
2021-05-13

Full spectrum LED grow light system

#13
20210131657
2021-05-06

Internal-circulating heat dissipation system for stage light

#14
20210123592
2021-04-29

HIGH MAST LUMINAIRE WITH COOLING CHANNELS

#15
20210025582
2021-01-28

Lamp

#16
20200284400
2020-09-10

Intelligent lamp including light source module and communications module

#17
20200217493
2020-07-09

Downlight apparatus

#18
20200208788
2020-07-02

LIGHT COMMUNICATION

#19
20200158323
2020-05-21

Heat sinks for light fixtures

#20
20200109831
2020-04-09

Solar chimney street lighting pole

#21
20200088396
2020-03-19

Solid state lighting lamp

#22
20190387686
2019-12-26

Single Source High Wattage LED Chip Grow Light Fixture - 100W Chip & Greater

#23
20190368719
2019-12-05

LAMP DEVICE

#24
20190261576
2019-08-29

Full spectrum LED grow light system

#25
20190234606
2019-08-01

Lighting fixture

#26
20190234596
2019-08-01

Flexible electrical coupling device for a lighting system

#27
20190195476
2019-06-27

LED downlight apparatus

#28
20190149902
2019-05-16

Light and loudspeaker driver device

#29
20190072264
2019-03-07

Wavelength conversion device, illumination device, and projector

#30
20190037657
2019-01-31

Lamp with pluggable control interface

#31
20190021583
2019-01-24

Light source apparatus for endoscope having first second and third heat sinks for respective light sources and a first air flow through the first and third heat sinks and a merged air flow through the second heat sink

#32
20180356086
2018-12-13

Low profile light

#33
20180328550
2018-11-15

Lamp

#34
20180320879
2018-11-08

Heat sinks for light fixtures

#35
20180306427
2018-10-25

Heat sink for LED fixtures

#36
20180283674
2018-10-04

LED lamp with heat dissipation effect

#37
20180283619
2018-10-04

LED lamp

#38
20180156413
2018-06-07

Lamp

#39
20180119938
2018-05-03

LED searchlight and method

#40
20180066835
2018-03-08

Light conversion device, light source apparatus, and projection display apparatus with improved cooling efficiency

#41
20180035187
2018-02-01

Light and loudspeaker driver device

#42
20170321873
2017-11-09

Thermal management for light-emitting diodes

#43
20170219197
2017-08-03

High Power LED Illuminant Based on Heat Pipe Principle

#44
20170167665
2017-06-15

Lighting fixture with replaceable light engine

#45
20170159925
2017-06-08

Low profile light and accessory kit for the same

#46
20170159907
2017-06-08

Lighting device

#47
20170030568
2017-02-02

Heat sink and lighting apparatus

#48
20170023228
2017-01-26

Light fixture

#49
20160327258
2016-11-10

Modular in-grade fixture with heat pipes

#50
20160258612
2016-09-08

Lamp

#51
20160153649
2016-06-02

LED light fixture

#52
20160153647
2016-06-02

MODULAR HEAT SINK

#53
20160131357
2016-05-12

Low light failure, high power led street lamp and method for manufacturing the same

#54
20160116149
2016-04-28

Light pipe heat sink element

#55
20160109107
2016-04-21

COOLING SYSTEM FOR HORTICULTURAL LIGHTING

#56
20160102854
2016-04-14

Cooling mechanism for LED light using 3-D phase change heat transfer

#57
20160057944
2016-03-03

Illumination device for stimulating plant growth

#58
20160053983
2016-02-25

LED lamp heat dissipating structure

#59
20160040867
2016-02-11

Light-emitting device

#60
20160021349
2016-01-21

Optical module and projection image display device

#61
20160003419
2016-01-07

Lighting device and LED luminaire

#62
20150354802
2015-12-10

Underwater LED Lights

#63
20150354800
2015-12-10

Underwater light (LED) of fixed tilt angle 0°-80° degrees for multiple applications with optional gyro sensor

#64
20150346612
2015-12-03

Optical arrangement in an optical system, in particular in a microlithographic projection exposure apparatus

#65
20150338083
2015-11-26

LED lamp for public lighting

#66
20150323166
2015-11-12

LED-BASED LIGHTING APPARATUS WITH HEAT PIPE COOLING STRUCTURE

#67
20150323147
2015-11-12

Lighting apparatus and automobile including the same

#68
20150241051
2015-08-27

LED lighting fixture

#69
20150219331
2015-08-06

Interlaced heat sink for recessed light

#70
20150070912
2015-03-12

Light module

#71
20150062862
2015-03-05

On-camera LED fresnel lighting system including active cooling

#72
20150029726
2015-01-29

Non-glare reflective LED lighting apparatus with heat sink mounting

#73
20140321100
2014-10-30

LED lighting device including module which is changeable according to power consumption and having improved heat radiation and waterproof

#74
20140247611
2014-09-04

LED module with a heat sink

#75
20140218969
2014-08-07

Illumination device with multi-layered heat sink

#76
20140140073
2014-05-22

Lighting unit for a household appliance

#77
20140078723
2014-03-20

Light bulb with upward and downward facing LEDs having heat dissipation

#78
20140056001
2014-02-27

LED LIGHT BULB MODULE

#79
20140049961
2014-02-20

LED light fixture with fluid flow to and from the heat sink

#80
20140009064
2014-01-09

Light-emitting diode fixture with an improved thermal control system

#81
20140002991
2014-01-02

THERMAL MANAGEMENT IN OPTICAL AND ELECTRONIC DEVICES

#82
20140001956
2014-01-02

Lighting device

#83
20130343052
2013-12-26

LED light for a ceiling fan

#84
20130285545
2013-10-31

Thermal management for light-emitting diodes

#85
20130223077
2013-08-29

Lighting apparatus with heat transfer and light guiding structure

#86
20130170210
2013-07-04

LED fixture with heat pipe

#87
20130094199
2013-04-18

Double heat sink LED tube

#88
20130088865
2013-04-11

Light fixture with interchangeable heatsink trays and reflectors

#89
20130077293
2013-03-28

LED-based lighting apparatus with heat pipe cooling structure

#90
20130033872
2013-02-07

Lighting fixture

#91
20130000879
2013-01-03

ROAD LAMP COOLING MANAGEMENT DEVICE

#92
20120307505
2012-12-06

Light emitting device

#93
20120307492
2012-12-06

Omnidirectional light emitting device lamp

#94
20120300441
2012-11-29

Elongated LED lighting fixture

#95
20120287652
2012-11-15

LIGHTING DEVICE

#96
20120262921
2012-10-18

Low profile light and accessory kit for the same

#97
20120250325
2012-10-04

Lighting apparatus

#98
20120247707
2012-10-04

Active thermal management device and thermal management method

#99
20120243230
2012-09-27

HEAT TRANSFER ASSEMBLY FOR LED-BASED LIGHT BULB OR LAMP DEVICE

#100
20120212945
2012-08-23

Light fixture

#101
20120206901
2012-08-16

LED lighting device including module which is changeable according to power consumption and having improved heat radiation and waterproof

#102
20120195054
2012-08-02

Heat sink for an illumination device

#103
20120176796
2012-07-12

Cooling Member for Semiconductor Light Emitting Elements

#104
20120170255
2012-07-05

Multi-level thermal air cooled LED light fixture

#105
20120162988
2012-06-28

Ceramic illumination device

#106
20120161633
2012-06-28

Lighting apparatus and lighting fitting

#107
20120154772
2012-06-21

Optical arrangement in an optical system, in particular in a microlithographic projection exposure apparatus

#108
20120127722
2012-05-24

Lamp and use of a lamp

#109
20120127707
2012-05-24

Versatile sealed LED lamp

#110
20120113634
2012-05-10

LED LAMP ASSEMBLY

#111
20120106177
2012-05-03

Connector for connecting a component to a heat sink

#112
20120098399
2012-04-26

Light-emitting diode lamp

#113
20120087102
2012-04-12

On-camera LED fresnel lighting system including active cooling

#114
20120086322
2012-04-12

LED BULB HEAT DISSIPATION STRUCTURE

#115
20120085516
2012-04-12

Heat sink and LED cooling system

#116
20120063132
2012-03-15

Modular LED flood light

#117
20120063116
2012-03-15

LED Fresnel lighting system including active cooling

#118
20120057348
2012-03-08

LED lighting fixture

#119
20120044670
2012-02-23

Methods and apparatus for providing lighting via a grid system of a suspended ceiling

#120
20120037351
2012-02-16

METHOD FOR MANUFACTURING HEAT SINK HAVING HEAT-DISSIPATING FINS AND STRUCTURE OF THE SAME

#121
20120026723
2012-02-02

OMNI-DIRECTIONAL CHANNELING OF LIQUIDS FOR PASSIVE CONVECTION IN LED BULBS

#122
20120020060
2012-01-26

ENERGY-EFFICIENT SOLAR-POWERED OUTDOOR LIGHTING

#123
20120008329
2012-01-12

LED STREET LAMP

#124
20120002419
2012-01-05

Light module

#125
20110317420
2011-12-29

Lighting device

#126
20110316014
2011-12-29

LED module and LED lighting device

#127
20110298352
2011-12-08

LED LAMP AND METHODS OF MANUFACTURING THE SAME

#128
20110281490
2011-11-17

Lamp and method of manufacturing same

#129
20110267810
2011-11-03

FLOURESCENT LIGHTING FIXTURE AND LUMINAIRE IMPLEMENTING ENHANCED HEAT DISSIPATION

#130
20110254446
2011-10-20

Headlamp assembly

#131
20110242816
2011-10-06

Lightweight heat sinks and LED lamps employing same

#132
20110209368
2011-09-01

Angled emitter channel letter lighting

#133
20110194284
2011-08-11

CHANNEL LETTER LIGHTING SYSTEM USING HIGH OUTPUT WHITE LIGHT EMITTING DIODES

#134
20110188249
2011-08-04

Light-emitting diode illuminating equipment with high power and high heat dissipation efficiency

#135
20110122610
2011-05-26

Lighting assembly With Air Cooling

#136
20110121727
2011-05-26

Portable light having a heat dissipater with an integral cooling device

#137
20110115373
2011-05-19

MODULAR LED LIGHTING DEVICE

#138
20110103060
2011-05-05

ILLUMINATION APPARATUS

#139
20110089830
2011-04-21

Heat sinks and lamp incorporating same

#140
20110080747
2011-04-07

LED LIGHT STRUCTURE

#141
20110075409
2011-03-31

LED lamp

#142
20110074266
2011-03-31

Illuminating device having a speaker

#143
20110063832
2011-03-17

Illumination device

#144
20110054263
2011-03-03

Replaceable LED illumination assembly for medical instruments

#145
20110051432
2011-03-03

LED Lamp

#146
20110051430
2011-03-03

ASSEMBLY STRUCTURE FOR LED FIXTURE

#147
20110051428
2011-03-03

LED LIGHT ENGINE WITH MULTI-PATH HEAT DISSIPATION

#148
20110044043
2011-02-24

LED LAMP

#149
20110038153
2011-02-17

Led lamp and cooling method thereof

#150
20110037367
2011-02-17

SOLID-STATE LIGHT BULB HAVING ION WIND FAN AND INTERNAL HEAT SINKS

#151
20110026264
2011-02-03

ELECTRICALLY ISOLATED HEAT SINK FOR SOLID-STATE LIGHT

#152
20110026251
2011-02-03

LED illuminating device

#153
20110013402
2011-01-20

Light feature

#154
20110013392
2011-01-20

LIGHTING APPARATUS

#155
20110006657
2011-01-13

LED illuminating device

#156
20110002120
2011-01-06

LED lamp

#157
20100328956
2010-12-30

LED LAMP

#158
20100328947
2010-12-30

LIGHT-EMITTING DIODE LIGHT SOURCE ASSEMBLY WITH HEAT DISSIPATION BASE

#159
20100320892
2010-12-23

HEAT DISSIPATION ENHANCED LED LAMP FOR SPOTLIGHT

#160
20100315824
2010-12-16

Divided LED lamp

#161
20100315812
2010-12-16

LED LAMP

#162
20100302770
2010-12-02

Light tube

#163
20100302764
2010-12-02

Solar energy street lamp structure with air passageway

#164
20100277941
2010-11-04

LED HEADLIGHT

#165
20100271819
2010-10-28

Lighting assemblies and systems

#166
20100270903
2010-10-28

LIGHT-EMITTING DIODE (LED) RECESSED LIGHTING LAMP

#167
20100259929
2010-10-14

LED beacon obstruction lighting system

#168
20100254140
2010-10-07

LAMP HOLDER OF LED STREETLAMP WITH HEAT-CONDUCTING AND HEAT-DISSIPATING CAPABILITY

#169
20100246178
2010-09-30

Multi-heat sink LED device

#170
20100244649
2010-09-30

Light emitting device modularizing member and lamp unit

#171
20100243211
2010-09-30

HEAT DISSIPATING STRUCTURE OF HIGH POWER LED PROJECTOR LAMP

#172
20100238662
2010-09-23

Outdoor lamp having waterproof fastening assembly

#173
20100226139
2010-09-09

LED-BASED LIGHT ENGINE

#174
20100225217
2010-09-09

LED illuminating device and light engine thereof

#175
20100220487
2010-09-02

LIGHTING ASSEMBLY AND HEAT EXCHANGE APPARATUS FOR UNIFORM HEAT DISSIPATION

#176
20100220480
2010-09-02

LED lamp assembly

#177
20100213844
2010-08-26

Discharge lamp unit

#178
20100212875
2010-08-26

TUBULAR HEAT DISPERSING STRUCTURE

#179
20100210918
2010-08-19

TASK LIGHT

#180
20100208480
2010-08-19

Light source module and vehicle lamp

#181
20100208473
2010-08-19

LAMP SYSTEM AND LIGHTING APPARATUS

#182
20100194312
2010-08-05

LED Operating Room Light

#183
20100182795
2010-07-22

LED street light

#184
20100182788
2010-07-22

LED lamp assembly

#185
20100181579
2010-07-22

Multiple circuit power supply interface for light-emitting-diode color mixing

#186
20100149818
2010-06-17

Integrated LED heat sink

#187
20100149809
2010-06-17

LED lighting fixture

#188
20100149807
2010-06-17

Light source apparatus

#189
20100148652
2010-06-17

Solid state lighting

#190
20100142217
2010-06-10

LAMP

#191
20100141108
2010-06-10

LED illuminating device and light engine thereof

#192
20100126697
2010-05-27

Heat sink module

#193
20100118534
2010-05-13

Modular LED flood light

#194
20100110684
2010-05-06

LIGHT EMITTING DIODE LUMINAIRES AND APPLICATIONS THEREOF

#195
20100103691
2010-04-29

AUTOMOTIVE LAMP WHOSE LIGHT SOURCE IS A SEMICONDUCTOR LIGHT EMITTING DEVICE

#196
20100072897
2010-03-25

LED LAMP

#197
20100053966
2010-03-04

LED lamp and heat-dissipating waterproof cover thereof

#198
20100029268
2010-02-04

Wireless autonomous solar-powered outdoor lighting and energy and information management network

#199
20090323348
2009-12-31

LED lamp with improved heat dissipating structure

#200
20090323325
2009-12-31

LED LAMP

#201
20090310349
2009-12-17

LED lamp

#202
20090308586
2009-12-17

COOLING SEMICONDUCTOR-BASED DEVICES ARRANGED IN A GREENHOUSE

#203
20090303725
2009-12-10

LED heat sink

#204
20090278461
2009-11-12

Adaptive front light system having high heat-dissipation efficiency

#205
20090268464
2009-10-29

LED lamp with heat sink

#206
20090262543
2009-10-22

Lamp housing for high-power LED street lamp

#207
20090256458
2009-10-15

Light-emitting diode illuminating equipment with high power and high heat dissipation efficiency

#208
20090244895
2009-10-01

Light-emitting diode illuminating equipment with high power and high heat dissipation efficiency

#209
20090237927
2009-09-24

LED lamp assembly

#210
20090231851
2009-09-17

Illumination device

#211
20090225543
2009-09-10

Optical system for batwing distribution

#212
20090206719
2009-08-20

Lamp with heat sink configuration and method of manufacturing same

#213
20090178794
2009-07-16

Method for manufacturing heat sink having heat-dissipating fins and structure of the same

#214
20090161354
2009-06-25

Lighting emitting diode lamp

#215
20090154189
2009-06-18

Heat-dissipating apparatus for vehicle lamp

#216
20090154171
2009-06-18

Lamp assembly having a junction box

#217
20090141508
2009-06-04

Lamp with heat conducting structure and lamp cover thereof

#218
20090135613
2009-05-28

Heat dissipating structure and lamp having the same

#219
20090129092
2009-05-21

HEAT CONVECTION DISSIPATER FOR LED LAMP

#220
20090103294
2009-04-23

LED LAMP WITH A HEAT SINK

#221
20090086484
2009-04-02

SMALL FORM FACTOR DOWNLIGHT SYSTEM

#222
20090086436
2009-04-02

Carrier body for components or circuits

#223
20090046469
2009-02-19

Light Emitting Diode Module

#224
20090046458
2009-02-19

Cooling structure for street lamp using light emitting diode

#225
20090040760
2009-02-12

ILLUMINATION DEVICE HAVING UNIDIRECTIONAL HEAT-DISSIPATING ROUTE

#226
20090034255
2009-02-05

Environmentally friendly street lamps

#227
20090034250
2009-02-05

System in package high power high efficiency light-emitting diode lamp

#228
20090027900
2009-01-29

POSITIONABLE OUTDOOR LIGHTING

#229
20090027889
2009-01-29

LED lamp instantly dissipating heat as effected by multiple-layer substrates

#230
20090021944
2009-01-22

LED LAMP

#231
20090016062
2009-01-15

LED lamp

#232
20090009999
2009-01-08

LED lamp structure and system with high-efficiency heat-dissipating function

#233
20090002997
2009-01-01

LED reflector lamp

#234
20080303050
2008-12-11

LIGHT EMITTING MODULE

#235
20080302509
2008-12-11

Heat sink and modular heat sink

#236
20080298066
2008-12-04

Lamp Unit

#237
20080291631
2008-11-27

Illumination unit

#238
20080286544
2008-11-20

Heat exchange enhancement

#239
20080285298
2008-11-20

Heat Exchange Enhancement

#240
20080285272
2008-11-20

Heat sinks and other thermal management for solid state devices and modular solid state systems

#241
20080283403
2008-11-20

Heat exchange enhancement

#242
20080258598
2008-10-23

Heat Exchange Enhancement

#243
20080247177
2008-10-09

Luminescent device

#244
20080239675
2008-10-02

Thermally and electrically conductive apparatus

#245
20080225535
2008-09-18

Headlamp having selectable beam

#246
20080225533
2008-09-18

Light modules

#247
20080180014
2008-07-31

LED heat sink

#248
20080170392
2008-07-17

Illumination module with similar heat and light propagation directions

#249
20080144329
2008-06-19

Vehicle lighting device

#250
20080099777
2008-05-01

Light-emitting devices and related systems

#251
20080080196
2008-04-03

LED lighting fixture

#252
20080062700
2008-03-13

Backlight having discharge tube, reflector and heat conduction member contacting discharge tube

#253
20080062692
2008-03-13

Silent moving head projector

#254
20080062687
2008-03-13

Lamp

#255
20080043479
2008-02-21

Assembling structure for LED road lamp and heat dissipating module

#256
20080037257
2008-02-14

Light emitting diode (L.E.D.) lighting fixtures with emergency back-up and scotopic enhancement

#257
20080037256
2008-02-14

Heat conductor assembly of light source

#258
20080037239
2008-02-14

Elongated LED lighting fixture

#259
20080037226
2008-02-14

Lighting device

#260
20070285937
2007-12-13

Vehicle lamp assembly with heat sink

#261
20070279910
2007-12-06

Illumination device

#262
20070253202
2007-11-01

LED lamp and heat-dissipating structure thereof

#263
20070230185
2007-10-04

Heat exchange enhancement

#264
20070201232
2007-08-30

Illumination apparatus having heat dissipating capability

#265
20070190845
2007-08-16

Flexible high-power LED lighting system

#266
20070189011
2007-08-16

LIGHT-GENERATING MODULE, BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME, AND METHOD THEREOF

#267
20070086197
2007-04-19

Illuminator assembly

#268
20070001177
2007-01-04

Integrated light-emitting diode system

#269
20060262559
2006-11-23

Backlight device

#270
20060262521
2006-11-23

Methods and apparatus for providing lighting via a grid system of a suspended ceiling

#271
20060245214
2006-11-02

LIQUID CRYSTAL DISPLAY HAVING HEAT DISSIPATION DEVICE

#272
20060221638
2006-10-05

Light-emitting apparatus having a plurality of adjacent, overlapping light-guide plates

#273
20060181894
2006-08-17

Headlamp assembly having cooling channel

#274
20060139935
2006-06-29

Cooling device for light emitting diode lamp

#275
20060104077
2006-05-18

Vehicular lamp

#276
20060076572
2006-04-13

Light-emitting diode arrangement and motor vehicle headlamp

#277
20060072078
2006-04-06

Illumination unit having an LED and image projecting apparatus employing the same

#278
20060035511
2006-02-16

Flexible high-power LED lighting system

#279
20050255784
2005-11-17

Method of producing a backlight having a discharge tube containing mercury

#280
20050242693
2005-11-03

Optical sheet having a diffusion portion

#281
20050236948
2005-10-27

Backlight having a polarization separating element

#282
20050179352
2005-08-18

Backlight having discharge tube, reflector and heat conduction member contacting discharge tube

#283
20050162127
2005-07-28

Lighting

#284
20050122713
2005-06-09

Lighting

#285
20050036328
2005-02-17

Vehicle lamp assembly with heat sink

#286
20050018445
2005-01-27

Vehicular lamp and light source module

#287
18667028
2024-10-29

LED Christmas light

#288
17709928
2023-05-09

Multi-angle lighting lamp

#289
17687398
2022-07-12

Heat sink for lighting devices

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Full spectrum LED grow light system

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Enhanced luminaires and lighting fixture housings implementing enchanced performance

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